#683333#683333

#683333 is a dark, moderate red. Relative luminance 0.056; OKLCH L 39.1% C 0.076 H 21.2°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#683333
RGB	rgb(104, 51, 51)
HSL	hsl(0, 34%, 30%)
HSV	hsv(0, 51%, 41%)
CMYK	cmyk(0%, 51%, 51%, 59.2%)
CIE-LAB	lab(28.25, 23.64, 10.89)
CIE-LCH	lch(28.25, 26.03, 24.72°)
OKLab	oklab(39.05% 0.0709 0.0275)
OKLCH	oklch(39.05% 0.076 21.2)
XYZ	xyz(7.4908, 5.5505, 3.8082)
Luminance	0.0555 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#683333 #336868

analogous

#68334D #683333 #684D33

triadic

#683333 #336833 #333368

tetradic

#683333 #4D6833 #336868 #4D3368

square

#683333 #4D6833 #336868 #4D3368

split-complementary

#683333 #33684D #334D68

monochromatic

#160B0B #3F1F1F #683333 #914747 #B26363

Accessibility & contrast

On white

9.95

#683333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#683333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #683333

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##683333	#FFFFFF	#000000	##FFFFFF
##683333	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3C33

Deuteranopia (green-blind)

#4C4732

Tritanopia (blue-blind)

#712C33

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #683333;
/* rgb */ color: rgb(104, 51, 51);
/* oklch */ color: oklch(39.1% 0.076 21.2);

Tailwind

colors: {
  custom: {
    50: '#966c6a',
    500: '#683333',
    950: '#000000',
  },
}

SCSS

$custom: #683333;
$custom-light: #966c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#683333",
  "rgb": {
    "r": 104,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 34.194,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39051,
    "c": 0.07607,
    "h": 21.2
  },
  "luminance": 0.0555
}

Semantic roles & 50–950 ramp

primary

#683333

secondary

#5E9999

accent

#CACA5E

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0706

muted

#7E7A7A

Preview Lab

Preview with #683333

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →